Seiko Cal. 6637 - 376

The 6637-376 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-ad8d0e904455]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1974

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